Did you know?
In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
Did you know?
Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
Did you know?
There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.
Did you know?
Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.
Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
Experiment of Lederberg and Tatum demonstrating gene transfer in E. coli
Aerial and close-up views of a large biodiversity experiment in Cedar Creek, Minnesota. Each of the
Scaling the Earth down to the size of a basketball, the Moon is roughly the size of a tennis ball. T
Rutherford Scattering Experiment
Gram Stain of a person's Gum line
Landsteiner's experiment demonstrating the exquisite specificity of the immune system.